[centos] java openjdk 설치 및 삭제

# [centos] java openjdk 설치 및 삭제

 

1. java 설치현황 파악

# rpm -qa | grep jdk
java-11-openjdk-11.0.12.0.7-0.el7_9.x86_64
java-1.8.0-openjdk-headless-1.8.0.302.b08-0.el7_9.x86_64
copy-jdk-configs-3.3-10.el7_5.noarch
java-11-openjdk-devel-11.0.12.0.7-0.el7_9.x86_64
java-11-openjdk-headless-11.0.12.0.7-0.el7_9.x86_64
java-1.7.0-openjdk-headless-1.7.0.261-2.6.22.2.el7_8.x86_64

 

2. java 삭제

yum remove java-11-openjdk-devel.x86_64 -y

 

3. java 설치

yum install java-11-openjdk-devel.x86_64 -y

echo 'export JAVA_HOME=/usr/lib/jvm/jre-openjdk' > /etc/profile.d/java.sh
echo 'setenv JAVA_HOME "/usr/lib/jvm/jre-openjdk"' > /etc/profile.d/java.csh

 

4. java 설치 확인

# java -version
openjdk version "11.0.12" 2021-07-20 LTS
OpenJDK Runtime Environment 18.9 (build 11.0.12+7-LTS)
OpenJDK 64-Bit Server VM 18.9 (build 11.0.12+7-LTS, mixed mode, sharing)

# javac -version
javac 11.0.12

To be continued.........

 

 

Made by 꿩